2024
DOI: 10.1002/advs.202400919
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Ultrafast Interfacial Charge Transfer Initiates Mechanical Stress and Heat Transport at the Au‐TiO2Interface

Jun Heo,
Alekos Segalina,
Doyeong Kim
et al.

Abstract: Metal‐semiconductor interfaces are crucial components of optoelectronic and electrical devices, the performance of which hinges on intricate dynamics involving charge transport and mechanical interaction at the interface. Nevertheless, structural changes upon photoexcitation and subsequent carrier transportation at the interface, which crucially impact hot carrier stability and lifetime, remain elusive. To address this long‐standing problem, they investigated the electron dynamics and resulting structural chan… Show more

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